"""
_*_ : utf-8 _*_ 
@Time: 2023/10/29 20:59
@Author: LWK
@File: 023_输入输出
@Project: demo01
"""

print('hello world')

# %s 字符串占位
# %d 数字占位（会变成int）
age = 18.2
name = 'lwk'
end = 'The end'
print('My age is %d, my name is %s' % (age, name))

print("计算器：")
a = input('请输入a')
b = input('请输入b')
# 输入的都是字符串
print('结果：', float(a) + float(b))
